*{
    margin: 0;
    padding: 0;
}
.clearfix:before,
.clearfix:after{
    content: "";
    clear: both;
    display: block;
}
ul li {
    list-style-type: none;
}
header{
    margin-bottom: 50px;
}
.nav ul li{
    float: left;
    padding: 10px;
    margin-top: 14px;
}
.nav{
    float: right;
}
.nav ul{
    float: left;
}
.nav ul li a{
    color: #333333;
    font-size: 13px;
}
.nav ul li a:hover{
    color: #3388ff;
}
.a-1{
    font-weight: bold;
}
.nav-right{
    background-color: #3388ff ;
    width:60px;
    height: 23px;
    float: right;
    margin: 24px 10px;
    border: 1px solid #3388ff;
}
.nav-right a{
    font-size: 14px;
    color: white;
    text-decoration: none;
}
.main,footer{
    width: 640px;
    margin: 0 auto;
}
.main-top,.footer-top{
    text-align: center;
}
.main-main{
    margin-top: 38px;
}
.main-main .input-left{
    width: 536px;
    height: 32px;
    float: left;
}
input{
    outline: none;
}
.input-right{
    width: 100px;
    height: 36px;
    float: left;
    color: white;
    font-size: 15px;
    letter-spacing: 1px;
    background: #3385ff;
    border: 1px solid #2d78f4;
    cursor: pointer;
}
.xxj{
    position: absolute;
    top: 244px;
    right:592px;
    background: url("../img/xxj.png");
    width: 18px;
    height: 16px;
}
.xxj:hover{
    background: url("../img/lxxj-2.png");
}
footer{
    margin-top: 260px;
}
footer span{
    font-weight: 700;
    font-size: 13px;
    color: #666;
}
footer .footer-main{
    width: 400px;
    margin: 0 auto;
    margin-top: 27px;
}
footer ul li{
    float: left;
    padding: 0px 15px;
}
footer ul li a {
    color: #999;
    font-size: 13px;
}
.footer-f-left{
    float: left;
}
.footer-f-right{
    float: right;
}
.footer-footer{
    color: #999;
    font-size: 12px;
    width: 534px;
    margin: 0 auto;
    margin-top:8px;
    margin-bottom: 58px;
}
.footer-footer a{
    color: #999;
}